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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

WJ9K callsign genealogy

Currently held by Kosiorek, Richard R

The FCC publishes a previous_call_sign on every amateur license — a self-link to the licensee's prior callsign. Following those links produces the chain below.

Previous callsigns

Older callsigns held by WJ9K's current licensee, walking backwards.

  1. W9RICcancelled· E
    KOSIOREK, RICHARD RWIgranted 2016-10-04cancelled 2021-12-28
  2. WX9Cactive· E
    RAMEY, TIMOTHY WINgranted 2019-02-06
  3. N9EYTcancelled· E
    RAMEY, TIMOTHY Wcancelled 1999-05-05

Successor callsigns

Callsigns held now by people who previously held WJ9K.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign WJ9K, oldest first.

  • RINEHART, GEORGE R IL
    1995-11-24 → cancelled 2001-07-04
  • Kosiorek, Judy M WI
    2015-08-15 → cancelled 2021-08-04
  • Kosiorek, Richard R WI
    2021-12-28 active
← Back to WJ9K License history →